Scalable 3D Semantic Segmentation for Gun Detection in CT Scans
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Abstract (arXiv)
With the increased availability of 3D data, the need for solutions processing those also increased rapidly. However, adding dimension to already reliably accurate 2D approaches leads to immense memory consumption and higher computational complexity. These issues cause current hardware to reach its limitations, with most methods forced to reduce the input resolution drastically. Our main contribution is a novel deep 3D semantic segmentation method for gun detection in baggage CT scans that enables fast training and low video memory consumption for high-resolution voxelized volumes. We introduce a moving pyramid approach that utilizes multiple forward passes at inference time for segmenting an instance.
Key facts. No citing papers in the map yet (data through 14 Oct 2026). Builds on 34 of its 44 references that are in the map. First posted on arXiv 7 Dec 2021.
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